Free automation and LLM app builders
Visual builders connect LLMs to hundreds of services. Community editions are free when you self-host them.
6 tools4 open source
| # | Tool ↕ | What is free | License | Platforms | GitHub ↕ | |
|---|---|---|---|---|---|---|
| 1 | n8n n8n GmbH |
The self-hosted Community Edition is free for internal or personal use, with unlimited workflows and executions; SSO, Git and environments need paid licenses. | Free tier Sustainable Use License |
WebDockerCLI | ★ 205,800 | |
| 2 | Dify LangGenius |
The self-hosted Community edition is free (one workspace, no multi-tenant SaaS); the cloud Sandbox plan gives 200 message credits. | Free tier Dify Open Source License |
WebDocker | ★ 157,000 | |
| 3 | Langflow Langflow (DataStax, IBM) |
Free and MIT-licensed: self-host it or use the free Langflow Desktop app for Windows and macOS. | Open source MIT |
WindowsmacOSLinuxDockerWeb | ★ 155,200 | |
| 4 | Sim Sim Studio |
Free to self-host with Docker; the cloud free plan includes 1,000 one-time credits. | Open source Apache-2.0 |
WebDocker | ★ 29,700 | |
| 5 | Activepieces Activepieces |
The MIT Community Edition is free to self-host; the cloud free plan gives 100 credits a day. | Open source MIT (Community Edition) |
WebDocker | ★ 24,700 | |
| 6 | Flowise FlowiseAI (Workday) Archived |
The code is still free to self-host or fork, but the project reached end of life on 31 August 2026 and the repository is archived. | Open source Apache-2.0 |
DockerCLI | ★ 55,500 |
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